炭尘为不溶性粉尘,在机体内不引起特殊的化学作用,其致纤维化能力亦极不明显,故被认为是无活性粉尘的代表。但此类所谓无活性粉尘,可产生对机体有害的尘肺,即炭尘肺。本文通过尸检材料,对炭尘肺进行了病理组织学的研究,并讨论了肺内粉尘分散度与病变的关系及其危害性的问题。作者对三例尸检材料进行了大切片,并对肺组织内粉尘进行分散度的测定,还用X-线衍射方法鉴定游离二氧化硅的存在与否,这对本题研究极为重要。 Carbon dust is insoluble dust, does not cause any special chemical action in the body, and its fibrinolytic ability is also very insignificant, so it is considered as representative of inactive dust. However, such so-called non-reactive dust, can produce harmful pneumoconiosis, that is, carbon pneumoconiosis. In this paper, autopsy materials, carbon pneumoconiosis histopathological study, and to discuss the relationship between lung dust dispersion and lesions and its harmful issues. The author of the three cases of autopsy material for large sections, and the degree of dispersion of lung tissue were measured, but also the use of X-ray diffraction to identify the presence or absence of free silica, which is extremely important for this study.